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Finding the Fourth Proportional to 48,351.53, 66,724.91 and 27,130.80

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Solution

The fourth proportional to 48,351.53, 66,724.91 and 27,130.80 is: 37,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.53 : 66,724.91 = 27,130.80 : x
  2. Step 2: Convert to fraction form
    48,351.53/66,724.91 = 27,130.80/x
  3. Step 3: Cross multiply
    48,351.53x = 66,724.91 × 27,130.80
  4. Step 4: Simplify right side
    48,351.53x = 1,810,300,181.82
  5. Step 5: Solve for x
    x = 1,810,300,181.82/48,351.53
  6. Step 6: Final answer
    x = 37,440.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.